this post was submitted on 13 Oct 2024
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The world has a lot of different standards for a lot of things, but I have never heard of a place with the default screw thread direction being opposite.

So does each language have a fun mnemonic?

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[โ€“] kamen@lemmy.world 17 points 1 month ago (6 children)

I can't think of an equivalent phrase in Bulgarian for that, but it's known that [most] threads tighten when turning clockwise... and if you don't know what direction the clock goes, what are you even doing with screws or bolts...

And again there are special cases even outside of threads - for example in plumbing there are some valves that are open when the handle is parallel to the pipe and closed when the handle is perpendicular - and it might just happen that the closing motion happens counterclockwise.

[โ€“] nutsack@lemmy.world 8 points 1 month ago* (last edited 1 month ago) (5 children)

reverse threads are also found on things like bicycles and cars which have parts that spin counter clockwise

[โ€“] lolcatnip@reddthat.com 1 points 1 month ago

Made me feel like I was crazy the first time I installed pedals on a bike.

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